0:00:00.600,0:00:02.430
Hello. [br]This is Joe Wheaton,

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and we're going to start in[br]on this design module.

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Just getting off on the right foot.

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And that is,

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taking out of the planning phase,

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what we learned,

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and leading the design[br]with recovery potential from that.

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So we're here in module four[br]talking about design,

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in the restoration process.

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We spent module three[br]working through the planning.

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Okay?

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And it's easy to just kind of [br]jump in and, like, you know.

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You know, we're eager. [br]Let's just —

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Let's get a design.

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Let's, let's make some structures.

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I'm going to try and convince you of this,

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never to start a design without that [br]critical context from the planning phase.

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Well, what context explicitly[br]are we talking about?

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Well, we're talking about[br]getting the conditions

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and the recovery potential.

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And remember that [br]in the design phase,

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our alternatives, [br]our design opportunities,

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is really defined by the gap[br]between condition and recovery potential.

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And, you know, we've got to make[br]this judgment call

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on how many treatments will[br]it take to get to that recovery potential.

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And then if you—[br]and once you get there,

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what's it going to take [br]for it to become self-sustaining?

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Okay.

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Oh, that's interesting.[br]Not what I wanted.

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Okay.

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So. Coming right in,

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reminding yourself of [br]riverscapes principles,

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reminding ourselves that [br]streams need space.

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We're not going to start our design[br]without the valley bottom mapped.

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Okay.

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Always important to remind yourself[br]that definition of a valley bottom,

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and a riverscape.

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The valley bottom is the area of the [br]landscape that could plausibly flood,

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by their rivers and streams [br]in the natural contemporary flow regime.

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The riverscape is just [br]those valley bottoms

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throughout the entire drainage network.

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Okay.

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So this is, this is our...

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Our sort of mantra.

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So let's go back [br]to what you guys did yesterday.

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In module three, [br]you mapped the active channels,

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you mapped the fans.

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You did that to kind of back in[br]to what the valley bottom was, right?

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The rest of the space.

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And so you mapped these [br]valley bottom margins,

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you mapped those fans.

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So, you knew what[br]protruded out into the valley,

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and you mapped the channel.

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So you get the confining margin,

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and look at the position, [br]on the valley floor.

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So the green area[br]is roughly what you derived.

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Okay?[br]That's your valley bottom.

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Area that could plausibly flood [br]in the contemporary natural flow regime.

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Your design opportunity,[br]as we said,

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is defined by this gap between [br]condition and recovery potential.

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And so,[br]what we talked about is,

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both Weber and I talked about this,

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is to get at least [br]one expression of condition,

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one indicator of condition.

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We're going to split the valley bottom[br]that we have here in yellow,

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into these different, components,

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but they're actually tier one[br]geomorphic units

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in the fluvial taxonomy.

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So basically, active floodplain,[br]active channel, inactive floodplain.

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Okay, so...

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We could do this for this whole thing.

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But, at this scale,[br]it's kind of hard to see.

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So we're going to zoom in.

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We're gonna zoom in here.

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And we're going to take you to Pops...

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Pops's ranch.

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Okay.

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So just a reminder, [br]we said condition can be expressed.

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by mapping the inactive portion [br]of floodplains.

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And we have this example here, okay.

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And so, I've faked [br]hypothetical property boundaries.

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You know, just kind of looking at,[br]some fence lines and some other stuff.

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So there you go.

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There's Pops's ranch.

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Okay, here's Pops's house.

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There's his barn.

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It's got a nice corral down here,[br]some outbuildings, etc.

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And so what I've done is[br]I've gone and just, you know,

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because I was zoomed in,[br]I can do a little nicer job.

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First thing I did was I mapped[br]the valley bottom.

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I stopped it right here,[br]right at the property line.

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And it goes all along.

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And notice here,

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how I don't have the [br]valley bottom Fall Creek mapped,

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but the valley bottom, [br]just the valley bottom of Coburn Creek.

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And so this part that comes out,[br]I think some of you know what this is.

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It's really low angle,[br]so it might be a little deceiving.

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But this is the fan.

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It's the fan of Coburn Creek. Okay?

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Now it doesn't matter[br]that this isn't really active fan, right,

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necessarily, like active in the sense[br]that this building could still

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be kind of flooding a little bit.

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But this is what we're dealing with, okay?

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So this polygon is 146 acres.

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And, if you want to go zoom[br]around the map, you can.

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This is 82 acres.

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So this link is going [br]to take you to this map,[br]

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and these games that I played.

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So 82 acres of Coburn Creek valley bottom.

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That's kind of what we're dealing with.

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That's going to be [br]our basis for normalization

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of everything that we report.

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Zoomed in here,[br]you can see that

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there is an area that's grazed.

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There's also a bunch of little [br]relic channels and stuff in here.

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Not a relic, but like high stage channels,[br]I should say.

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There's actually some beaver dams, [br]on the floodplain here.

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Oddly, over here[br]against the toe of this slope, too.

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And there's evidence of run out.

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If you zoom in, you will notice[br]that there is a canal.

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And that canal comes along here.

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And, I don't know if these are just, [br]trailing, by cows,

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or if this is just kind of getting[br]this water over to here,

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and they just irrigate,[br]flood irrigate this meadow.

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But, that's some of the infrastructure.

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There's also a fence that comes along.

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You can basically make out [br]the fence line all along there.

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All right.

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So, conditions.

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I mapped out the inactive[br]part of the floodplain.

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Just based off of objective evidence[br]of what it looked like was...

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What was flooding.

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Now, I used some vegetation indicators.

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I used what looked like evidence [br]of flooding on this floodplain.

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You can see a little bit[br]when you zoom in on this.

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Is this perfect?[br]Eh.

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But I think it's reasonably defensible.

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What did I come up with?

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Well, I came up with when I mapped it,[br]traced out the active channel in blue.

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That's about four acres.

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So it's about five percent[br]of the valley bottom.

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I mapped the inactive portion,[br]that's 41.

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So, 41 plus four is 45.

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Subtract that from 82,[br]I get my 37 acres.

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So, the proportion of the valley bottom[br]that's active is 50 percent.

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It puts us kind of [br]dead smack in the middle here.

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Right in sort of a moderate condition.

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So remember we looked at this, right?

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So, you know, we're somewhere in,

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you know, something, along these lines.

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If we were to use the more expanded—[br]which I think is useful here...

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Stream evolution model,

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it's probably in this [br]laterally active condition.

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Right? Our geomorphic conditions,[br]it's laterally active.

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I say that,

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because the other candidate might be[br]quasi equilibrium,

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or stage one sinuous single thread.

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If we go back,[br]there is this sinuous single thread,

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but if you start zooming in,

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this does have the feel of a channel[br]that's been pushed up

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against that valley bottom,

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our valley margin [br]and valley bottom margin.

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And it just feels like it's[br]kicking everywhere it can.

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There's a lot of active bank erosion,[br]lateral widening.

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Little hints in a few of these bends,

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tendencies to build [br]mid-channel bars and islands.

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But just not multi-threaded, yet.

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It's, so I think it's laterally active, [br]is the right call.

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Remember, we said the answer, [br]you know, is recovery potential,

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to this question of,[br]how much is in play for restoration?

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We're going to map that with pink, okay?

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So recall,[br]we have this valley bottom land use,

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And notice how what we mapped[br]is not a million miles off

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what I was just showing you[br]for the inactive versus active, right?

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These are reasonably close.

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Not bad considering we're doing it[br]off of a pretty coarse resolution.

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Well, we asked Pops about[br]recovery potential. Okay?

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So remember, recovery potential [br]is the valley bottom,

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minus what the landowner[br]or the land manager is willing to accept.

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This is an interesting exercise[br]with good old Pops.

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By the way, there is [br]no such thing as Pops.

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I just made this guy up.

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Coming into this,[br]the yellow area with 50%,

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that qualifies as active,[br]50% qualifies as inactive.

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Okay, so the active is[br]the active floodplain and active channel.

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Notice where pops put the pink line.

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Okay. Tracks right here.[br]Pretty good. Pretty good.

0:10:21.600,0:10:25.450
Then there's this,[br]these real straight lines. Why?

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Well, that's where his fences are.

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Notice the fence goes right[br]across this active, meander bend

0:10:32.600,0:10:35.900
that's laterally eroded[br]into the fence, it's gone.

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There's another spot here,

0:10:37.170,0:10:40.200
where the road, [br]or a little trail, is gone.

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So in this space right here,

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Pops isn't really admitting [br]that it's active,

0:10:48.790,0:10:52.400
He doesn't really see it as that,[br]and that kind of makes sense.

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He doesn't have his cows[br]out here in the winter.

0:10:54.800,0:11:01.800
And his cows use this in the spring,[br]and as a summer pasture.

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He's actually pushing them up[br]to higher ground in the summer.

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So it's really kind of [br]the spring and the fall,

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and then the cows [br]are taken somewhere else.

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I'm making that up, too.

0:11:12.100,0:11:17.900
But this is an interesting [br]sort of gap because,

0:11:17.900,0:11:21.895
what he's saying is that you[br]could have 35% of this

0:11:21.895,0:11:24.300
for the river[br]to, you know, do better with.

0:11:24.300,0:11:27.000
So the uplift, [br]if we use this indicator,

0:11:27.000,0:11:32.150
or we were to use proportion active[br]as an indicator of overall health,

0:11:32.150,0:11:40.600
there's actually no uplift, right?[br]So what do we do in a situation like that?

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Well, one conclusion is,[br]if the reason you have funding,

0:11:44.030,0:11:45.705
if the reason you're interested in this,

0:11:45.705,0:11:48.260
you really do care about [br]increasing the amount of valley bottom

0:11:48.260,0:11:49.394
that could be active...

0:11:50.644,0:11:53.120
Maybe this isn't the right project.

0:11:54.490,0:11:57.563
What he's come up with is logical.[br]It's following the fence line.

0:11:57.563,0:11:59.600
We can dig in a little deeper here.

0:11:59.600,0:12:04.100
So how do you feel, Pops, about[br]channel change and floodplain reconnection?

0:12:04.100,0:12:06.840
Well, he's able to give the stream[br]some space to adjust

0:12:06.840,0:12:09.750
and push into the valley bottom,[br]but not all of it. Okay.

0:12:10.760,0:12:12.200
Yeah, there's beaver there.

0:12:12.200,0:12:14.470
He's got no problem with them.[br]They're kind of interesting.

0:12:14.470,0:12:15.916
So he's willing to allow that.

0:12:15.916,0:12:18.930
And he's fine to deal [br]with adaptive management.

0:12:18.930,0:12:21.200
Okay, I mean maybe,

0:12:21.200,0:12:24.200
Maybe there's still some room[br]to talk about this.

0:12:24.600,0:12:27.500
Maybe, a better indicator might be,

0:12:27.500,0:12:30.985
instead of one, relating to[br]riverscape principle one,

0:12:30.985,0:12:32.200
streams need space,

0:12:32.200,0:12:36.390
maybe for this project with Pops,[br]a better indicator might be

0:12:36.390,0:12:43.100
the proportion of the valley bottom,[br]or the inundation extent at low flow.

0:12:43.100,0:12:43.950
Right?

0:12:43.950,0:12:47.006
So if we were to look at this, [br]this reach...

0:12:48.350,0:12:51.120
This is actually a high flow [br]that we're looking at,

0:12:51.120,0:12:52.900
sort of a bankful flow.

0:12:53.510,0:12:55.607
And if we were to look at it,

0:12:55.607,0:12:59.830
you could have some [br]more structural forcing in here

0:12:59.830,0:13:03.380
that would lead to more connectivity.

0:13:03.380,0:13:06.461
So, this idea of,

0:13:06.461,0:13:09.400
pretty much that whole thing's[br]free flowing right now.

0:13:09.400,0:13:11.300
Could we get some structure in there,

0:13:11.300,0:13:14.977
that increases some of the[br]inundation extent at low flows?

0:13:14.977,0:13:15.766
Yeah. That's—

0:13:15.766,0:13:18.600
That could be something worth exploring.

0:13:18.700,0:13:23.080
So what could Pop's reach of Coburn be?

0:13:24.500,0:13:25.200
Well.

0:13:25.200,0:13:28.260
Even if it's just [br]in this recovery potential

0:13:28.260,0:13:30.160
that he's willing to concede,

0:13:31.451,0:13:33.800
We might be able to get some more[br]inundation area,

0:13:33.800,0:13:37.215
and we might be able to[br]shift it to this stage eight,

0:13:37.215,0:13:39.679
sort of a weakly anastomosing system.

0:13:40.790,0:13:43.300
By the way, we call that wandering.

0:13:44.945,0:13:48.630
So maybe we could get a little bit of a[br]wandering system in those few places

0:13:48.630,0:13:51.200
where there's space [br]and he's willing to allow it.

0:13:51.200,0:13:53.460
Sort of it's tendency anyway.

0:13:54.920,0:13:58.000
And again, recovery potential [br]can change over time.

0:13:58.340,0:14:02.200
Well, Pops has a hypothetical daughter.

0:14:03.060,0:14:06.100
And, Pops isn't going [br]to be around forever.

0:14:07.100,0:14:10.000
And he likes his daughter a lot.

0:14:10.000,0:14:13.300
This daughter, you know,[br]just loves the river.

0:14:13.300,0:14:15.700
She grew up here,[br]loves the ranch,

0:14:15.700,0:14:18.500
and, yes, I'm making all this up.

0:14:18.500,0:14:23.700
And she saw the the map,[br]and she kind of got upset with Pops.

0:14:23.700,0:14:27.700
What she said is,[br]Oh, come on. Really?

0:14:27.700,0:14:30.580
I mean, we're just putting the cows out,[br]and, you know,

0:14:30.580,0:14:32.724
whether or not it's us[br]irrigating the pasture,

0:14:32.724,0:14:35.198
or whether or not it's,[br]you know,

0:14:35.198,0:14:37.580
the river spreading out[br]and doing this stuff,

0:14:37.580,0:14:38.690
the cows can get in there.

0:14:38.690,0:14:39.560
They can use that,

0:14:39.560,0:14:42.180
for the little bit that we use it[br]in the spring, and the summer,

0:14:42.180,0:14:45.620
but we do have this irrigation canal[br]right along here.

0:14:46.000,0:14:47.050
Okay?

0:14:47.600,0:14:53.274
And what she suggested is, yeah,

0:14:53.274,0:14:55.700
let's just go right off [br]the irrigation canal.

0:14:55.700,0:14:59.296
This is gravity fed, so it wouldn't be[br]a very easy thing to move.

0:14:59.296,0:15:01.020
It'd be expensive, etc.

0:15:01.100,0:15:06.200
They want to keep that operational,[br]and so, this is her recovery potential,

0:15:06.200,0:15:09.410
The same as Pops up here,[br]but then she's conceding...

0:15:10.200,0:15:14.200
Not just—I mean, Pops's line[br]was way back down here, right?

0:15:14.500,0:15:16.700
So she's conceding not just

0:15:16.700,0:15:21.297
that gap between that[br]and the inactive floodplain boundary,

0:15:21.297,0:15:22.450
but saying, hey,

0:15:22.450,0:15:25.140
you could go all the way up to the canal,[br]and then, you know,

0:15:25.140,0:15:27.300
once you get past the barn, hey,

0:15:27.300,0:15:29.100
and there's these few [br]little beaver dams here,

0:15:29.100,0:15:31.100
and all the way down[br]onto the fan of this thing.

0:15:31.100,0:15:33.140
I mean, this could[br]really just spread out.

0:15:34.400,0:15:40.130
So by contrast, you know,[br]she's got 63 acres of recovery potential,

0:15:40.130,0:15:42.430
76% of the valley bottom,

0:15:43.330,0:15:46.910
that, you know, that could come back.

0:15:47.800,0:15:52.000
So, the uplift potential [br]is 22 acres, or 53%.

0:15:52.600,0:15:55.200
So that's pretty, [br]that's pretty exciting.

0:15:55.200,0:15:56.600
And so...

0:15:56.600,0:16:00.540
You know, Pops...[br]Pops may, you know,

0:16:00.540,0:16:03.020
Carol is the future,[br]so he lets,

0:16:03.020,0:16:04.930
he lets her run the show.

0:16:05.500,0:16:08.300
So what could Carol's [br]reach of Coburn be?

0:16:08.300,0:16:11.208
Well, up at the top there—[br]right in here?

0:16:11.700,0:16:14.030
Maybe stage eight still, right?

0:16:15.750,0:16:21.030
However, towards the bottom, right,[br]where we could spread out,

0:16:21.030,0:16:22.450
get across this whole thing,

0:16:22.450,0:16:24.118
really spread out into this fan?

0:16:24.118,0:16:28.800
You know, maybe,[br]stage zero effectively, eventually.

0:16:28.800,0:16:35.036
So, this is just reinforcement[br]of what we did in planning, right?

0:16:35.036,0:16:36.400
This is so fundamental.

0:16:36.400,0:16:40.200
Because this sets [br]the boundary conditions for your design.

0:16:40.200,0:16:43.150
This sets, you know, [br]how I'm going to approach this.

0:16:43.150,0:16:45.210
What's the target I'm shooting for?

0:16:45.210,0:16:48.420
Not necessarily that you're going[br]to get there in your first design,

0:16:48.420,0:16:55.300
but It's a really, really helpful way[br]to queue you up successfully.

0:16:55.300,0:16:58.375
So in conclusion, never start a design

0:16:58.375,0:17:00.578
without that critical context [br]from planning.

0:17:00.578,0:17:04.100
The design opportunity is defined [br]by that gap

0:17:04.100,0:17:05.100
between condition and recovery potential.

0:17:05.100,0:17:10.775
Scott Shavarian's going to[br]walk you through the design process

0:17:10.775,0:17:14.470
focusing at the complex scale,[br]and inheriting these sorts of,

0:17:14.470,0:17:21.750
objectives, design objectives,[br]out of what this planning process reveals.

0:17:21.800,0:17:25.400
Thank you very much.